JP3937410B2 - Cooker - Google Patents

Description

  The present invention relates to an improvement in a structure for preventing high temperature of a heating cooker, particularly a heating cooker body.

  In general, a heating cooker called a hot plate or the like supplies power to a heating means constituted by a sheathed heater or the like, and generates heat by Joule heat to perform cooking so that the heating means itself becomes very hot. Yes. Therefore, in order to prevent a situation in which the user accidentally touches the heating means directly, an outer case made of a molded product or the like surrounding the heating means has been provided. However, the outer case may also be heated due to radiant heat from the heating means and the heated object to be heated. On the other hand, conventionally, there has been a technique for preventing the outer case from being heated by providing a ventilation path between the heating means and the outer case.

Japanese Patent Laid-Open No. 02-223735

  In the prior art, it was intended to prevent the outer case from being heated at high temperature by a ventilation path provided between the heating means and the outer case, but there were cases where the preventing action was insufficient. In other words, in the case side wall part that is easy to touch for cleaning up after using the heating cooker, it is not only safe to touch the user, but also carries it if it does not prevent high temperature to the extent that it does not feel hot There may be a problem that the user feels hot on the way and drops the cooker by releasing his hand.

  This invention is made | formed in view of the said subject, and it aims at providing the heating cooker which can prevent the high temperature of a main body case side wall favorably.

In order to achieve the object, a heating cooker according to the present invention includes a heating unit that heats an object to be heated, and a body case that covers the heating unit so that the object to be heated can be placed above the heating unit, A heat shield arranged between the heating means and the main body case, and is inclined toward the opening of the heat shield, and the inner periphery at the lower end is inside the outer periphery of the heat shield. An inner flange is provided on substantially the entire circumference of the upper portion of the main body case, and a heat insulating wall is provided on the inner side of the main body case so as to stand upright from the bottom at a predetermined interval from the side wall of the main body case. A first heat insulating layer is formed by the side wall of the main body case and the heat insulating wall, an air inlet is provided at the bottom of the first heat insulating layer, and an exhaust port is provided at the upper portion of the inner flange and the heat insulating member. wall is provided by taking a structure with a predetermined gap And wherein the door. In order to achieve the object, a heating cooker according to the present invention includes a heating unit that heats an object to be heated, and a body case that covers the heating unit so that the object to be heated can be placed above the heating unit. And a heat shield plate disposed between the heating means and the main body case, and is inclined toward the opening of the heat shield plate, the inner periphery of the lower end being inside the outer periphery of the heat shield plate An inner flange is provided on substantially the entire circumference of the upper part of the main body case, and the inner side of the main body case is erected from the bottom at a predetermined interval from the side wall of the main body case. A first heat insulating layer is formed by the side wall, the upper wall and the heat insulating wall of the main body case, and an air inlet is provided at the bottom of the first heat insulating layer, An exhaust port is formed in the upper wall constituting the upper part of the first heat insulating layer. Vignetting wherein the are. Furthermore, in order to achieve the object, a heating cooker according to the present invention includes a heating unit that heats an object to be heated, and a body case that covers the heating unit so that the object to be heated can be placed above the heating unit. And a heat shield plate disposed between the heating means and the main body case, the heating means for heating the object to be heated, and the heating means so that the object to be heated can be placed above the heating means. And a heat shield disposed between the heating means and the main body case, and is inclined toward the opening of the heat shield. An inner flange is provided on substantially the entire periphery of the upper portion of the main body case so as to be inside the outer periphery of the main body case, and is erected from the bottom at a predetermined interval from the side wall of the main body case. A heat insulating wall in contact with the inner flange, and the book A first heat insulating layer is formed by a side wall, an upper wall and the heat insulating wall of the case, an air inlet is provided at a bottom of the first heat insulating layer, and the upper part of the first heat insulating layer is formed. An exhaust port is provided in the upper part of the side wall.

  According to the cooking device of the present invention, it is possible to satisfactorily prevent the temperature of the side wall of the main body case from being increased, and the safety is further improved.

Embodiment 1 FIG.
FIG. 1 is a perspective view of a heating cooker according to an embodiment of the present invention. As shown in the figure, the heating cooker 1 in this embodiment cooks the temperature of a sheathed heater 2 as a heating means that generates heat by conduction of electricity and heats the heated object for cooking, and the heated object for cooking. And a temperature setting unit 16 that can set the heating output of the sheathed heater 2, and is set by the temperature detected by the detection unit 3 and the temperature setting unit 16. Temperature adjusting means 4 for controlling the heating output of the sheathed heater 2 based on the set temperature information, a body case 5 covering the outer periphery of the sheathed heater 2, and a shield provided between the sheathed heater 2 and the body case 5. And a hot plate 6. The temperature adjusting means 4 includes a temperature setting unit 16 that can set the heating output of the sheathed heater 2, and heats the sheathed heater 2 based on the temperature detected by the detecting unit 3 and the temperature setting information set by the temperature setting unit 16. Since the output is controlled, the user can easily adjust the heating temperature for heating the food to a desired temperature.

  FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1 illustrating a place where the object to be heated is placed on the heating cooker according to the embodiment of the present invention. As shown in FIG. 2, the main body case 5 is composed of an upper case 7 and a lower case 8 made of a plastic molded product in this embodiment, and a heat shield 6 formed of metal inside the sheath case 2 and the main body case 5. It is provided between. An inner flange 7a is provided on substantially the entire periphery of the upper portion of the main body case 5, and a part of the inner flange 7a is cut to form a plug receiving portion 9. The inner flange 7 a is inclined toward the opening of the heat shield plate 6, and the inner periphery of the lower end is configured to be inside the outer periphery of the heat shield plate 6. For this reason, even if a cooked item or the like spills or spills on the upper case 7 while using the heating cooker 1, it falls on the heat shield plate 6 through the inner flange 7 a, so the main body on the back side of the heat shield plate 6. This prevents the food from flowing into the case 5 and making it difficult to remove dirt.

  Both ends of the heater 2 are connected to the plug receiving member 10, and the plug receiving member 10 is mounted on the plug receiving mounting portion 9. A heater bracket 11 is fixed to the heater 2, and the heater bracket 11 contacts the appropriate portion of the heat shield plate 6 to support the heater 2. A protrusion 10 a is formed at the lower portion of the plug receiving member 10 and is fitted into a hole 9 a provided in the plug receiving mounting portion 9. With this configuration, the heater 2 can be detached from the main body case 5 of the heating cooker 1 together with the plug receiving member 10, and the heater 2 can be removed even when the heat shield plate 6 becomes dirty due to cooking or the like. Can be easily cleaned.

  Further, in the heating cooker in the present embodiment, the heat shield plate 6 is supported by the support legs 15 that firmly support the heat shield plate 6 from the lower surface. As described above, the heater bracket 11 is attached to the heater 2. The heater receiving metal 11 is fixed and contacts the appropriate portion of the heat shield plate 6 to support the heater 2, so that the heater 2 is deformed even if a heavy heated body 13 is placed on the heater 2. It is possible to support firmly without having to. When the cooking device 1 is used, the temperature regulator 4 is inserted into the plug receiving member 10 so that the power cord 12 shown in FIG. Is to be supplied.

  Moreover, the cooking container 13 which is a to-be-heated body for cooking the food installed in the upper part of the heater 2 enables cooking according to a user's liking with the heating cooker of this embodiment. Therefore, a plurality of cooking containers 13 which are metal heated bodies having different thermal conductivity and different shapes and sizes are provided, and each cooking container 13 is compatible with the same heating cooker 1 main body. , Can be used interchangeably. And the lid | cover 14 which can be shared with respect to these some cooking containers 13 is provided. In FIG. 2, FIG. 2 is a cross-sectional view in which an iron plate as a cooking container 13 is placed, and FIG. 3 is a cross-sectional view in which a clay pot is placed as the cooking container 13.

  The heating cooker 1 according to the present embodiment enables the object to be heated to be placed on the heating means including the cooking container that is the object to be heated and the sheathed heater 2 that heats the food, and the heating means. A main body case 5 including an upper case 7 and a lower case 8 that covers the heating means, and a heat shield plate disposed between the heating means and the main body case 5 are provided. The main body case 5 has a heat insulating wall 17 erected from the bottom at a predetermined interval from the side wall 7 c of the main body case 5, and the first heat insulation is provided by the side wall 7 c and the heat insulating wall 17 of the main body case 5. A layer 18 is formed, and an air inlet 19 is provided at the bottom of the first heat insulating layer 18 and an air outlet 20 is provided at the top.

  FIG. 4 is an enlarged view of a main part showing the heat insulating wall 17 and the heat insulating layer 18 in the cross-sectional view shown in FIG. 2 or FIG. As shown in the figure, the heating cooker 1 in the present embodiment is provided with a heat insulating wall 17 from the inner peripheral bottom surface of the lower case 8 to just below the inner flange 7a, and the inner flange 7a and the side wall 7c of the upper case 7. A heat insulating layer 18 is formed by the upper wall 7b, the bottom surface of the lower case 8, and the heat insulating wall 17. Even if the case 5 is heated by radiant heat for heating the cooking container 13 and the food to be cooked by the heating means 2 by such a heat insulating layer 18, it is satisfactorily prevented from being transmitted to the outer case side wall 7c. Can be removed. For this reason, safety is improved even when cleaning up after using the cooking device 1.

  Moreover, in this embodiment, the inlet 19 is provided in the bottom part of the heat insulation layer 18, and also the exhaust port 20 has the structure where the inner flange 7a and the heat insulation wall 17 have a predetermined space | interval in the upper part of the heat insulation layer 18. Is provided. With such a configuration, even if the main body lower case 8 is heated by the radiant heat of the heating means 2, the air inside the heat insulating layer 18 is also warmed, and natural convection in which air flows from the intake port 19 toward the exhaust port 20 occurs. While preventing the radiant heat from being conducted to the side wall 7c, this convection also exerts an effect of cooling the lower case 8 and the upper case 7, so that the temperature of the side wall of the main body case can be prevented well and more safely. Is improved.

  Furthermore, in addition to such a configuration, an air inlet is provided on the bottom surface on the inner peripheral side of the heat insulating wall 17 of the lower case 8 constituting the main body case 5, and this is combined with future generations in which airflow passes between the main body case 5 and the heat shield plate 6. It is also possible. If comprised in this way, the further temperature increase of the main body case side wall can be prevented favorably, and safety is further improved.

Embodiment 2. FIG.
The heating cooker 1 in the present embodiment has substantially the same configuration as that of the first embodiment. Hereinafter, different parts will be described. FIG. 5 is an enlarged cross-sectional view of a main part according to another embodiment of the present invention. In the figure, the same reference numerals are assigned to the same components as those in the first embodiment, and the description thereof is omitted.

  In the present embodiment, the heat insulating wall 17 is provided from the inner peripheral bottom surface of the lower case 8 until it contacts the inner flange 7a. Again, the inner flange 7a, the side wall 7c, the upper wall 7b and the lower case 8 of the upper case 7 are provided. A heat insulating layer 18 is formed by the bottom surface and the heat insulating wall 17. And the exhaust port 20 is provided in the upper wall 7b. With such a configuration, when the main body lower case 8 is heated by the radiant heat of the heating means 2 and the air inside the heat insulating layer 18 is also warmed, the air is more likely to escape from the exhaust port 20, so that natural convection flows through the air This prevents the heat from being conducted to the side wall 7c, and this convection also has the effect of cooling the lower case 8 and the upper case 7, so that the temperature of the side wall of the main body case can be prevented more favorably. Can improve safety.

  In the present embodiment, the inner flange 7a and the heat insulating wall 18 are brought into contact with each other, but these may be integrally formed. If formed integrally in this manner, the strength of the main body can be improved.

Embodiment 3 FIG.
The heating cooker 1 in the present embodiment has substantially the same configuration as each of the embodiments described above. Hereinafter, different parts will be described. FIG. 6 is an enlarged cross-sectional view of a main part according to another embodiment of the present invention. In the figure, components corresponding to the same components as those of the above-described embodiments are denoted by the same reference numerals and description thereof is omitted.

  The present embodiment is different from the second embodiment in that the exhaust port 20 is provided in the upper portion of the side wall 7c. Even in such a configuration, the same effect as in the second embodiment described above is obtained, and in the configuration in which the exhaust port 20 is provided in the upper wall 7b, for example, when performing grilled meat or a pan on a table, It is easy to keep the cooking device 1 in a sanitary manner because it can prevent as much as possible that the juice is dripped when the food is grabbed and brought to hand, and enters the heat insulating layer 18 from the exhaust port 20. it can. In the present embodiment, the inner flange 7a and the heat insulating wall 18 are brought into contact with each other, but it goes without saying that these may be integrally formed.

Embodiment 4 FIG.
The heating cooker 1 in the present embodiment has substantially the same configuration as each of the embodiments described above. Hereinafter, different parts will be described. FIG. 7 is an enlarged sectional view of a main part according to another embodiment of the present invention. In the figure, components corresponding to the same components as those of the above-described embodiments are denoted by the same reference numerals and description thereof is omitted.

  In the heating cooker 1 according to this embodiment, a metal plate 21 is provided on the outer periphery of the side wall 7 c of the main body case 5, and the second heat insulating layer 22 is formed by the side wall 7 c of the main body case 5 and the metal plate 21. The metal plate 21 is provided on substantially the entire circumference of the upper case 7 side wall 7 c of the main body case 5, and is partially fixed on the inner peripheral side of the upper case 7 by the claws 23. Then, a heat insulating wall 17 is provided from the inner peripheral bottom surface of the lower case 8 to just below the inner flange 7a. The inner flange 7a, the side wall 7c and the upper wall 7b, the lower case 8 bottom surface, and the heat insulating wall 17 of the upper case 7 A heat insulating layer 18 is formed, and an air inlet 19 is provided at the bottom of the heat insulating layer 18 and an air outlet 20 is provided at the top. With such a configuration, even if the main body lower case 8 is heated by the radiant heat of the heating means 2 as described in each of the above-described embodiments, the air inside the heat insulating layer 18 is also warmed from the intake port 19 toward the exhaust port 20. As a result, natural convection in which air flows is generated and heat is prevented from being conducted to the side wall 7c, and this convection also exerts an effect of cooling the lower case 8 and the upper case 7, thereby further increasing the temperature of the main body case side wall. Since it can prevent well and safety | security is improved, since the heat insulation effect increases with a 2nd heat insulation layer, the further heat insulation improvement can be aimed at. In addition, since the metal plate 21 having a good thermal conductivity is provided on the outer periphery of the main body side wall 7c, the heat dissipation is also improved. Therefore, even if the temperature of the main body case 5 rises, the metal plate 21 performs heat dissipation cooling, High temperature can be prevented well, and safety is further improved. Furthermore, the resistance with respect to the damage | wound and impact of the heating cooker 1 can also be improved because the metal plate 21 is provided in the substantially whole periphery of the side wall 7c.

  Further, the claw 23 of the metal plate 21 and the cut end surface of the metal plate 21 are located inside the heat insulating layer 18, and the metal in the main body case 5 is removed when the heating cooker 1 is disassembled and cleaned. It is possible to prevent the user from touching the claw 23 and the cut end face of the plate 21, and there is an effect that safety is further improved.

It is a perspective view of the cooking-by-heating machine concerning one embodiment of the present invention. It is AA sectional drawing in FIG. 1 which showed the place which mounted the to-be-heated body in the heating cooker which is one Embodiment of this invention. It is AA sectional drawing in FIG. 1 which showed the place which put the to-be-heated body different from FIG. 2 in the heating cooker which is one Embodiment of this invention. FIG. 4 is an enlarged view of a main part showing the heat insulating wall 17 and the heat insulating layer 18 in the cross-sectional view shown in FIG. 2 or FIG. It is a principal part expanded sectional view concerning other embodiment of this invention. It is a principal part expanded sectional view concerning other embodiment of this invention. It is a principal part expanded sectional view concerning other embodiment of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Heating cooker, 2 Heating means (seeds heater), 3 Detection part, 4 Temperature control means, 5 Main body case, 6 Heat shield plate, 7 Upper case, 8 Lower case, 9 Plug receiving mounting part, 10 Plug receiving member 11 Heater bracket, 12 Power cord, 13 Cooking container, 14 Lid, 15 Support leg, 16 Temperature setting part, 17 Heat insulation wall, 18 First heat insulation layer, 19 Air inlet, 20 Air outlet, 21 Metal plate, 22 Second heat insulation layer, 23 nails.

Claims (4)

A heating means for heating the object to be heated, a main body case for covering the heating means so that the object to be heated can be placed above the heating means, and a heat shield plate disposed between the heating means and the main body case And
Inclined toward the opening of the heat shield plate, an inner flange is provided on substantially the entire circumference of the upper part of the main body case so that the inner periphery of the lower end is inside the outer periphery of the heat shield plate,
On the inside of the main body case, there is a heat insulating wall erected from the bottom with a predetermined interval from the side wall of the main body case, and a first heat insulating layer is formed by the side wall of the main body case and the heat insulating wall, An intake port is provided at the bottom of the first heat insulation layer, and an exhaust port is provided at the top by providing a structure in which the inner flange and the heat insulation wall have a predetermined interval. Cooking cooker. A heating means for heating the object to be heated, a main body case for covering the heating means so that the object to be heated can be placed above the heating means, and a heat shield plate disposed between the heating means and the main body case And
Inclined toward the opening of the heat shield plate, an inner flange is provided on substantially the entire circumference of the upper part of the main body case so that the inner periphery of the lower end is inside the outer periphery of the heat shield plate,
The main body case has a heat insulating wall that is erected from the bottom at a predetermined interval from the side wall of the main body case and that contacts the inner flange, and is provided by the side wall, the upper wall, and the heat insulating wall of the main body case. A first heat insulating layer is formed, an air inlet is provided at the bottom of the first heat insulating layer, and an air outlet is provided at the upper wall constituting the upper part of the first heat insulating layer. A cooking device characterized by that. A heating means for heating the object to be heated, a main body case for covering the heating means so that the object to be heated can be placed above the heating means, and a heat shield plate disposed between the heating means and the main body case And
Inclined toward the opening of the heat shield plate, an inner flange is provided on substantially the entire circumference of the upper part of the main body case so that the inner periphery of the lower end is inside the outer periphery of the heat shield plate,
The main body case has a heat insulating wall that is erected from the bottom at a predetermined interval from the side wall of the main body case and that contacts the inner flange, and is provided by the side wall, the upper wall, and the heat insulating wall of the main body case. A first heat insulating layer is formed, an air inlet is provided at a bottom portion of the first heat insulating layer, and an air outlet is provided at an upper portion of the side wall constituting the upper portion of the first heat insulating layer; A heating cooker characterized by being.   The cooker according to any one of claims 1 to 3, wherein a metal plate is provided on an outer periphery of the side wall of the main body case, and a second heat insulating layer is formed by the side wall of the main body case and the metal plate. .

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